value of absolute zero or 0K on the kelvin scale. The kelvin scale is a thermodynamic temperature scale has the same increment or magnitude as one degree Celsius however its null point is at absolute zero. At absolute zero temperature‚ all molecular movement stops‚ however all actual temperatures are above the absolute zero temperature. The Kelvin scale is named after Lord Kelvin‚ (William Thompson)‚ a British inventor born in Belfast‚ Ireland. Lord Kelvin saw the need of a scale that has a null
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Writing Assignment # 1 Lord Kelvin Date Assigned: 6/25/13 Due Date: 7/2/13 The age old question‚ scientifically‚ of “how old is the earth?” goes back to late 18th- century. At the time most scientists either sided with Creationism or supposed as James Hutton theorized in Theory of the Earth (1795) “We find no vestige of a beginning‚ no prospect of an end”. In 1862 physicist William Thomson‚ who would later be ennobled as Lord Kelvin‚ determined through the Laws of
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Lord Kelvin (1824 - 1907) William Thomson (later Lord Kelvin) was born June 26‚ 1824 in Belfast‚ Ireland‚ and was part of a large family whose mother died when he was six. His father taught Kelvin and his brothers mathematics to a level beyond that of university courses of the time. Kelvin was somewhat of a genius‚ and had his first papers published in 1840. These papers contained an argument defending the work of Fourier (Fourier transforms)‚ which at the time was being heavily criticized by
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directly proportional to the Kelvin temperature. Equations: V T or V / T = C. Therefore‚ as the volume rises‚ the temperature goes up‚ as well‚ and vice versa. Same as the Boyle’s law‚ initial and final volumes‚ and temperatures under constant pressure can be calculated also. V1 / T1 = V2 / T2 = V3 / T3. Last but not least‚ the Gay-Lussac’s law emphasizes that the pressure of a given amount of gas held at a constant volume is said to be directly proportional to the Kelvin temperature. Equations: P
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marks) Comment the following statements (a) The volume coefficient of thermal expansion of water is negative for temperatures in the range 0 to 4 °C. (b) The triple point of water‚ 0.01 °C‚ and 611.73 Pa‚ is one of the primary fixed points on the Kelvin absolute temperature scale. (c) The volume coefficient for the thermal expansion of a solid is twice the linear coefficient for thermal expansion. (d) A temperature of 26.85 °C is the same as 300 K. (e) The surface temperature of the sun (3142
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to it as "kind." Think how it wakes the seeds- Woke once the clays of a cold star. (8-9) The sun is life-giving; it makes seeds and men grow. The sun is considered a dwarf star‚ whose temperature ranges from three thousand to ten thousand Kelvin (K). A massive star’s (temperature is around
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a. DO3SE model: Basically‚ DO3SE model is derived from the Jarvis-type multiplicative algorithm: gsto = gmax X min (fphen‚ fO3) X flight X max (fmin‚ (fVPD X ftemp) (1) where gsto is the actual stomatal conductance for O3 (mmol O3 m-2 unit projected leaf area (PLA) s-1)‚ gmax is the species-specific maximum gsto (mmol O3 m-2 PLA s-1)‚ and fmin is the relative minimum gsto (fraction of gmax). The parameters including ftemp‚ fphen‚ flight‚ fO3 and fVPD are the response functions expressed in
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graph into a graphical display calculator‚ this gave me the x intercept which I found out to be -2940c. For an experiment in a School this is quite close to the actual number of -2730c In conclusion this was a successful experiment because we got 0 Kelvin within 200c and I believe this is quite accurate. We can see from the results that the higher the temperature the high the volume of the Gas‚ this coincides with Charles law. Surprisingly there were no unseen errors in this experiment all the values
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one trial helps somewhat prevent error. Approximately 0.20g of the Mg ribbon was used for these determinations. Introduction: 1. Theory If the temperature of a gas sample was held constant‚ its volume varied inversely with its pressure. The Kelvin scale is known as the absolute scale. Charles’ law states that volume of a given mass varies directly with its absolute temperature if the pressure remains constant. Ideal gases are those whose behavior is exactly described by Boyle’s and Charles’
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Kelvin dropper Theory A normal uncharged piece of matter has equal numbers of positive and negative electric charges in each part of it‚ located close together‚ so no part of it has a net electric charge. The positive charges are the atoms’ nuclei which are bound into the structure of matter and are not free to move. The negative charges are the atoms’ electrons. In electrically conductive objects such as metals‚ some of the electrons are able to move freely about in the object. When a charged
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